R-BARRIER
USPTO (United States) · Serial 73244351
- Status
- cancelled
- Status updated
- 18 March 1988
- Filing date
- 28 December 1979
- Registration date
- 8 September 1981
- Nice classification
- 19
- Owner
- W. R. Grace & Co.
- Owner country
- US
- Raw status code
- 710
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73244351) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.